I purchased and transported a vintage BMW mid winter. I strapped her into the back of the PU and then plastic wrapped it all with some plastic film from Home depot.
Since your leaving from home you may want to platic wrap then pull up the tarp. The really sweet thing about the wrap was there was no flapping and even the leather seat was prairie dry after 24 hours of winter driving.
Drive safe....Canadian winter roads, hauling a trailer, enjoy. By the way welcome to BC.